Book excerpt: Introduction : the interest of article acquisition for theories of SLA / María del Pilar García Mayo and Roger Hawkins -- Article choice in L2 English by Spanish speakers : evidence for full transfer / María del Pilar García Mayo -- Accounting for non-target like performance in L2 English article production by native speakers of Syrian Arabic and French / Ghisseh Sarko -- Questioning the validity of the article choice parameter and the fluctuation hypothesis : evidence from L2 English article use by L1 Polish and L1 Mandarin Chinese speakers / Marta Tryzna -- The processing role of the article choice parameter : evidence from L2 learners of English / Lucy Kyoungsook Kim and Usha Lakshmanan -- Accounting for patterns of article omissions and substitutions in second language production / Danijela Trenkic -- Article use and generic reference : parallels between L1- and L2-acquisition / Tania Ionin and Silvina Montrul -- Variability in the L2 acquisition of Norwegian DPs : an evaluation of some current SLA models / Fufen Jin, Tor A. Åfarli, and Wim A. van Dommelen -- Articles in Turkish/English interlanguage revisited : implications of vowel harmony / Heather Goad and Lydia White -- Article choice and article omission in the L3 German of native speakers of Japanese with L2 English / Carol Jaensch